| 1. | Wave speed equals frequency times wavelength . 波速等于频率乘以波长。 |
| 2. | Evaluating wave speed in concrete by bispectrum based time delay estimation 基于互双谱的应力波波速估计的研究 |
| 3. | An approach to measure traveling wave speed on - line is presented 实际的波速受到线路参数频变及地理位置、气候等诸多因素的影响。 |
| 4. | The wave speed . the valid range is 0 to ? . the range is 0 to 1 . the default is 1 波纹的速度,有效范围是从0到无穷大,滑块范围是0到1 ,缺省为1 |
| 5. | New fault location algorithm based on double terminal travelling waves avoiding wave speed influence 不受波速影响的输电线路双端行波故障测距算法 |
| 6. | Standard test method for measuring the p - wave speed and the thickness of concrete plates using the impact - echo method 用冲击回声法测量p波速度和混凝土板的厚度的标准试验方法 |
| 7. | By sweeping a laser along the pipe to change the local wave speed , physicists might be able to create a horizon 将雷射沿著管路扫过,可以改变局部的波速,运用这种方式,物理学家也许可以创造出视界来。 |
| 8. | Rayleigh surface wave exploration technique is used to get transverse wave speed of impermeable wall , which build on the theory of half space 在此基础上,我们把瞬态面波技术应用于防渗墙无损检测中以获得防渗墙的剪切波速。 |
| 9. | The method of characteristics is utilized to reliably handle the model and the computer program is developed by considering of variable wave speed along pipeline 在考虑变波速的情况下,采用特征线法进行求解,并编制了计算机程序。 |
| 10. | The changing value of the consolidating wave speed reflects the change of concrete substance parameter , and it reflects the increasing strength of the fresh concrete 固结波速的变化,实质上反映了早龄期混凝土材质参数的变化,因而可以反映混凝土强度的增长情况。 |